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2010-08-30Remove NEON vmovn intrinsic, replacing it with vector truncate operations.Bob Wilson
Auto-upgrade the old intrinsic and update tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112507 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-30two changes:Chris Lattner
1) nuke ConstDataCoalSection, which is dead. 2) revise my previous patch for rdar://8018335, which was completely wrong. Specifically, it doesn't make sense to mark __TEXT,__const_coal as PURE_INSTRUCTIONS, because it is for readonly data. templates (it turns out) go to const_coal_nt. The real fix for rdar://8018335 was to give ConstTextCoalSection a section kind of ReadOnly instead of Text. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112496 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-30Partially revert r112480. Caused test failures.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112486 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-30coff-dump.py: Fix PR7996. Now it is compatible to Python-2.4.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112485 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-30Fix constant-over-index.ll test on windows.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112483 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-30Test: Fix LLVMC tests on CMake.Michael J. Spencer
The CMake build didn't define TEST_COMPILE_CXX_CMD. The tests assumed gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112480 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-30Correct bogus module triple specifications.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112469 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29LICM does get dead instructions input to it. Instead of sinking themChris Lattner
out of loops, just delete them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112451 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29Make IVUsers iterative instead of recursive.Dan Gohman
This has the side effect of reversing the order of most of IVUser's results. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112442 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29Make this test less dependent on register allocation choices.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112426 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29Use exec.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112425 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29Fix lowering of INSERT_VECTOR_ELT in SPU. Kalle Raiskila
The IDX was treated as byte index, not element index. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29Remove NEON vaddl, vaddw, vsubl, and vsubw intrinsics. Instead, use llvmBob Wilson
IR add/sub operations with one or both operands sign- or zero-extended. Auto-upgrade the old intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112416 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29merge a bunch of shuffle tests into sse2.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112398 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29add some nounwind'sChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112396 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28fixme accomplishedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112386 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28fix the buildvector->insertp[sd] logic to not always create a redundantChris Lattner
insertp[sd] $0, which is a noop. Before: _f32: ## @f32 pshufd $1, %xmm1, %xmm2 pshufd $1, %xmm0, %xmm3 addss %xmm2, %xmm3 addss %xmm1, %xmm0 ## kill: XMM0<def> XMM0<kill> XMM0<def> insertps $0, %xmm0, %xmm0 insertps $16, %xmm3, %xmm0 ret after: _f32: ## @f32 movdqa %xmm0, %xmm2 addss %xmm1, %xmm2 pshufd $1, %xmm1, %xmm1 pshufd $1, %xmm0, %xmm3 addss %xmm1, %xmm3 movdqa %xmm2, %xmm0 insertps $16, %xmm3, %xmm0 ret The extra movs are due to a random (poor) scheduling decision. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112379 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28fix the BuildVector -> unpcklps logic to not do pointless shuffles Chris Lattner
when the top elements of a vector are undefined. This happens all the time for X86-64 ABI stuff because only the low 2 elements of a 4 element vector are defined. For example, on: _Complex float f32(_Complex float A, _Complex float B) { return A+B; } We used to produce (with SSE2, SSE4.1+ uses insertps): _f32: ## @f32 movdqa %xmm0, %xmm2 addss %xmm1, %xmm2 pshufd $16, %xmm2, %xmm2 pshufd $1, %xmm1, %xmm1 pshufd $1, %xmm0, %xmm0 addss %xmm1, %xmm0 pshufd $16, %xmm0, %xmm1 movdqa %xmm2, %xmm0 unpcklps %xmm1, %xmm0 ret We now produce: _f32: ## @f32 movdqa %xmm0, %xmm2 addss %xmm1, %xmm2 pshufd $1, %xmm1, %xmm1 pshufd $1, %xmm0, %xmm3 addss %xmm1, %xmm3 movaps %xmm2, %xmm0 unpcklps %xmm3, %xmm0 ret This implements rdar://8368414 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112378 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28Update ocaml test.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112364 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28remove unions from LLVM IR. They are severely buggy and notChris Lattner
being actively maintained, improved, or extended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112356 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28remove the ABCD and SSI passes. They don't have any clients thatChris Lattner
I'm aware of, aren't maintained, and LVI will be replacing their value. nlewycky approved this on irc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112355 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28handle the constant case of vector insertion. For somethingChris Lattner
like this: struct S { float A, B, C, D; }; struct S g; struct S bar() { struct S A = g; ++A.B; A.A = 42; return A; } we now generate: _bar: ## @bar ## BB#0: ## %entry movq _g@GOTPCREL(%rip), %rax movss 12(%rax), %xmm0 pshufd $16, %xmm0, %xmm0 movss 4(%rax), %xmm2 movss 8(%rax), %xmm1 pshufd $16, %xmm1, %xmm1 unpcklps %xmm0, %xmm1 addss LCPI1_0(%rip), %xmm2 pshufd $16, %xmm2, %xmm2 movss LCPI1_1(%rip), %xmm0 pshufd $16, %xmm0, %xmm0 unpcklps %xmm2, %xmm0 ret instead of: _bar: ## @bar ## BB#0: ## %entry movq _g@GOTPCREL(%rip), %rax movss 12(%rax), %xmm0 pshufd $16, %xmm0, %xmm0 movss 4(%rax), %xmm2 movss 8(%rax), %xmm1 pshufd $16, %xmm1, %xmm1 unpcklps %xmm0, %xmm1 addss LCPI1_0(%rip), %xmm2 movd %xmm2, %eax shlq $32, %rax addq $1109917696, %rax ## imm = 0x42280000 movd %rax, %xmm0 ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112345 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28optimize bitcasts from large integers to vector into vectorChris Lattner
element insertion from the pieces that feed into the vector. This handles a pattern that occurs frequently due to code generated for the x86-64 abi. We now compile something like this: struct S { float A, B, C, D; }; struct S g; struct S bar() { struct S A = g; ++A.A; ++A.C; return A; } into all nice vector operations: _bar: ## @bar ## BB#0: ## %entry movq _g@GOTPCREL(%rip), %rax movss LCPI1_0(%rip), %xmm1 movss (%rax), %xmm0 addss %xmm1, %xmm0 pshufd $16, %xmm0, %xmm0 movss 4(%rax), %xmm2 movss 12(%rax), %xmm3 pshufd $16, %xmm2, %xmm2 unpcklps %xmm2, %xmm0 addss 8(%rax), %xmm1 pshufd $16, %xmm1, %xmm1 pshufd $16, %xmm3, %xmm2 unpcklps %xmm2, %xmm1 ret instead of icky integer operations: _bar: ## @bar movq _g@GOTPCREL(%rip), %rax movss LCPI1_0(%rip), %xmm1 movss (%rax), %xmm0 addss %xmm1, %xmm0 movd %xmm0, %ecx movl 4(%rax), %edx movl 12(%rax), %esi shlq $32, %rdx addq %rcx, %rdx movd %rdx, %xmm0 addss 8(%rax), %xmm1 movd %xmm1, %eax shlq $32, %rsi addq %rax, %rsi movd %rsi, %xmm1 ret This resolves rdar://8360454 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112343 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-28Completely disable tail calls when fast-isel is enabled, as fast-iselDan Gohman
doesn't currently support dealing with this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112341 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27Add a prototype of a new peephole optimizing pass that uses LazyValue info ↵Owen Anderson
to simplify PHIs and select's. This pass addresses the missed optimizations from PR2581 and PR4420. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112325 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27Change ARM VFP VLDM/VSTM instructions to use addressing mode #4, just likeBob Wilson
all the other LDM/STM instructions. This fixes asm printer crashes when compiling with -O0. I've changed one of the NEON tests (vst3.ll) to run with -O0 to check this in the future. Prior to this change VLDM/VSTM used addressing mode #5, but not really. The offset field was used to hold a count of the number of registers being loaded or stored, and the AM5 opcode field was expanded to specify the IA or DB mode, instead of the standard ADD/SUB specifier. Much of the backend was not aware of these special cases. The crashes occured when rewriting a frameindex caused the AM5 offset field to be changed so that it did not have a valid submode. I don't know exactly what changed to expose this now. Maybe we've never done much with -O0 and NEON. Regardless, there's no longer any reason to keep a count of the VLDM/VSTM registers, so we can use addressing mode #4 and clean things up in a lot of places. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112322 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27tidy up test.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112321 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27no really, fix the test.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112317 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27fix this test. It's not clear what it's really testing.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112316 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27Enhance the shift propagator to handle the case when you have:Chris Lattner
A = shl x, 42 ... B = lshr ..., 38 which can be transformed into: A = shl x, 4 ... iff we can prove that the would-be-shifted-in bits are already zero. This eliminates two shifts in the testcase and allows eliminate of the whole i128 chain in the real example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112314 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27Implement a pretty general logical shift propagationChris Lattner
framework, which is good at ripping through bitfield operations. This generalize a bunch of the existing xforms that instcombine does, such as (x << c) >> c -> and to handle intermediate logical nodes. This is useful for ripping up the "promote to large integer" code produced by SRoA. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112304 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27merge and filecheckize testChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112289 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27merge two testsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112288 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27teach the truncation optimization that an entire chain ofChris Lattner
computation can be truncated if it is fed by a sext/zext that doesn't have to be exactly equal to the truncation result type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112285 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27get this test passing on linux builders.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112280 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27Add an instcombine to clean up a common pattern producedChris Lattner
by the SRoA "promote to large integer" code, eliminating some type conversions like this: %94 = zext i16 %93 to i32 ; <i32> [#uses=2] %96 = lshr i32 %94, 8 ; <i32> [#uses=1] %101 = trunc i32 %96 to i8 ; <i8> [#uses=1] This also unblocks other xforms from happening, now clang is able to compile: struct S { float A, B, C, D; }; float foo(struct S A) { return A.A + A.B+A.C+A.D; } into: _foo: ## @foo ## BB#0: ## %entry pshufd $1, %xmm0, %xmm2 addss %xmm0, %xmm2 movdqa %xmm1, %xmm3 addss %xmm2, %xmm3 pshufd $1, %xmm1, %xmm0 addss %xmm3, %xmm0 ret on x86-64, instead of: _foo: ## @foo ## BB#0: ## %entry movd %xmm0, %rax shrq $32, %rax movd %eax, %xmm2 addss %xmm0, %xmm2 movapd %xmm1, %xmm3 addss %xmm2, %xmm3 movd %xmm1, %rax shrq $32, %rax movd %eax, %xmm0 addss %xmm3, %xmm0 ret This seems pretty close to optimal to me, at least without using horizontal adds. This also triggers in lots of other code, including SPEC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112278 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27Add alignment arguments to all the NEON load/store intrinsics.Bob Wilson
Update all the tests using those intrinsics and add support for auto-upgrading bitcode files with the old versions of the intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112271 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27Use LVI to eliminate conditional branches where we've tested a related ↵Owen Anderson
condition previously. Update tests for this change. This fixes PR5652. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-27X86: Fix an encoding issue with LOCK_ADD64mr, which could lead to very hard ↵Daniel Dunbar
to find miscompiles with the integrated assembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112250 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26filecheckizeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112235 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26rename test.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112234 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26optimize "integer extraction out of the middle of a vector" as producedChris Lattner
by SRoA. This is part of rdar://7892780, but needs another xform to expose this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112232 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26optimize bitcast(trunc(bitcast(x))) where the result is a float and 'x'Chris Lattner
is a vector to be a vector element extraction. This allows clang to compile: struct S { float A, B, C, D; }; float foo(struct S A) { return A.A + A.B+A.C+A.D; } into: _foo: ## @foo ## BB#0: ## %entry movd %xmm0, %rax shrq $32, %rax movd %eax, %xmm2 addss %xmm0, %xmm2 movapd %xmm1, %xmm3 addss %xmm2, %xmm3 movd %xmm1, %rax shrq $32, %rax movd %eax, %xmm0 addss %xmm3, %xmm0 ret instead of: _foo: ## @foo ## BB#0: ## %entry movd %xmm0, %rax movd %eax, %xmm0 shrq $32, %rax movd %eax, %xmm2 addss %xmm0, %xmm2 movd %xmm1, %rax movd %eax, %xmm1 addss %xmm2, %xmm1 shrq $32, %rax movd %eax, %xmm0 addss %xmm1, %xmm0 ret ... eliminating half of the horribleness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112227 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26filecheckizeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112225 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26rename testChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112224 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26Make JumpThreading smart enough to properly thread StrSwitch when it's ↵Owen Anderson
compiled with clang++. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112198 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26Reapply r112091 and r111922, support for metadata linking, with aDan Gohman
fix: add a flag to MapValue and friends which indicates whether any module-level mappings are being made. In the common case of inlining, no module-level mappings are needed, so MapValue doesn't need to examine non-function-local metadata, which can be very expensive in the case of a large module with really deep metadata (e.g. a large C++ program compiled with -g). This flag is a little awkward; perhaps eventually it can be moved into the ClonedCodeInfo class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112190 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26Add a hackaround for PR7993 which is causing failures on x86 builders that ↵Chris Lattner
lack sse2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112175 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26I think enough general codegen bugs are fixed to allow this to workChris Lattner
on random hosts, lets see! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112172 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26implement SplitVecOp_CONCAT_VECTORS, fixing the included testcase with SSE1.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112171 91177308-0d34-0410-b5e6-96231b3b80d8
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